Commitments, Contingencies and Guarantees (Details Textual 4) (USD $)	Jan. 01, 2012	Jan. 02, 2011
Supplier and Customer [Member]
Indemnification
Indemnification Accrual At Carrying Value	$ 0
Officers, Employees and Directors [Member]
Indemnification
Indemnification Accrual At Carrying Value	0	0
Environmental Cost [Member]
Indemnification
Indemnification Accrual At Carrying Value	$ 0